/Engine/Source/Runtime/XmlParser/Public/XmlNode.h
Adds a child node to this node
void AppendChildNode ( const [FString](API\Runtime\Core\Containers\FString) & InTag, const [FString](API\Runtime\Core\Containers\FString) & InContent, const [TArray](API\Runtime\Core\Containers\TArray)< [FXmlAttribute](API\Runtime\XmlParser\FXmlAttribute) > & InAttributes )